The name malware stems from "malicious software". Malware is defined as any software that is designed to harm computers, phones, tablets or networks. A harmful program can be technically classified as rootkit, trojan, virus, worm and many others.

A Harmful application or file can perform damaging actions, such as stealing personal or system data, secretly manipulating the device or installed applications or completely blocking normal use of the device.

Do I have a virus?

How do I know if I have malware on my computer?

Do I have a virus on my Android phone?

Does my Android phone or tablet have malware?

Do I have a virus on my iPhone?

Is my iPhone compromised?

Do I have a virus on my Mac?

Is there malware on your Mac? Here's how to find out.

How to check if my computer has a virus?

What do I need to do to find out whether I have malware or not?